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tattack.cpp: added ball drawing (nw)

master
angelosa 2017-11-09 21:50:23 +01:00
parent 098687350d
commit 5c3e7fa9b0
1 changed files with 35 additions and 4 deletions
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39
src/mame/drivers/tattack.cpp
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@ -59,16 +59,20 @@ public:
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode") { }
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram;
tilemap_t *m_tmap;
// DECLARE_WRITE8_MEMBER(paddle_w);
DECLARE_WRITE8_MEMBER(ball_w);
DECLARE_DRIVER_INIT(tattack);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void video_start() override;
DECLARE_PALETTE_INIT(tattack);
uint32_t screen_update_tattack(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
private:
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
tilemap_t *m_tmap;
uint8_t m_ball_regs[2];
};
@ -91,8 +95,22 @@ TILE_GET_INFO_MEMBER(tattack_state::get_tile_info)
uint32_t tattack_state::screen_update_tattack(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
const uint8_t white_pen = 0xf;
m_tmap->mark_all_dirty();
m_tmap->draw(screen, bitmap, cliprect, 0,0);
// draw ball
for(int xi=0;xi<4;xi++)
for(int yi=0;yi<4;yi++)
{
int resx = m_ball_regs[0]+xi-2;
int resy = m_ball_regs[1]+yi;
if(cliprect.contains(resx,resy))
bitmap.pix16(resy, resx) = (white_pen);
}
return 0;
}
@ -101,6 +119,18 @@ void tattack_state::video_start()
m_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tattack_state::get_tile_info),this),TILEMAP_SCAN_ROWS,8,8,32,32 );
}
#if 0
WRITE8_MEMBER(tattack_state::paddle_w)
{
// ...
}
#endif
WRITE8_MEMBER(tattack_state::ball_w)
{
m_ball_regs[offset] = data;
}
static ADDRESS_MAP_START( mem, AS_PROGRAM, 8, tattack_state )
AM_RANGE(0x0000, 0x0fff) AM_ROM
// AM_RANGE(0x4000, 0x4000) AM_READNOP $315
@ -110,7 +140,8 @@ static ADDRESS_MAP_START( mem, AS_PROGRAM, 8, tattack_state )
AM_RANGE(0xa000, 0xa000) AM_READ_PORT("DSW1") // dsw ? something else ?
AM_RANGE(0xc000, 0xc000) AM_READ_PORT("INPUTS") AM_WRITENOP
AM_RANGE(0xc001, 0xc002) AM_WRITENOP // bit 7 = strobe ($302)
AM_RANGE(0xc005, 0xc007) AM_WRITENOP
AM_RANGE(0xc005, 0xc005) AM_WRITENOP
AM_RANGE(0xc006, 0xc007) AM_WRITE(ball_w)
AM_RANGE(0xe000, 0xe3ff) AM_RAM
ADDRESS_MAP_END